Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Fabrication and Electrical Output Performance of Triboelectric Nanogenerators Composed of Graphene Coated Textile Electrode-Dielectric Material Types

그래핀 코팅 텍스타일 전극-유전체 종류별 마찰전기나노발전소자 제조 및 전기적 출력에 관한 연구

  • Kim, Hyelim (Research Institute of Convergence Design, Dong-A University) ;
  • Lee, Sunhee (Department of Fashion Design, Dong-A University) ;
  • Kim, Hanseong (Department of Organic Material Science and Engineering, Pusan National University)
  • 김혜림 (동아대학교 융합디자인연구소) ;
  • 이선희 (동아대학교 패션디자인학과) ;
  • 김한성 (부산대학교 유기소재시스템공학과)
  • Received : 2019.10.07
  • Accepted : 2019.10.29
  • Published : 2019.12.28
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Abstract

This study presents basic research on the fabrication of graphene coated textile-based triboelectric nanogenerators (T-TENGs). Graphene coated textiles, both with and without hot-pressing (PGR or GR, respectively), play an important role in electrodes. In this study, polyethylene terephthalate (PET) fabrics, polyurethane (PU) membranes and polytetrafluoroethylene (PTFE) film were used as dielectric materials. The resulting surface roughness was confirmed after the PGR was decreased by approximately 0.15 mm. The surface resistivity of the GR and PGR were within 104 Ω/sq and that of the dielectric materials were within 1012 Ω/sq. The current density of the GR showed the maximum value at 0.012 ㎂/㎠. The electric fields of the fabricated electrodes, GR and PGR, were 6.0 V/cm and 9.6 V/cm, respectively, and the J-E curves showed hysteresis characteristics as the electric field increased. The output voltage was measured according to the dielectric type to confirm the applicability of graphene coated textile electrodes in T-TENGs. Improved output voltage was observed upon using PTFE films as dielectrics as compared to other dielectrics, regardless of the type of graphene coated textile electrode. Moreover, the performance improved when the GR had a larger surface roughness value. Therefore, the electrical output voltage performance of T-TENGs using GR with PTFE film produced the best results and should be applied to T-TENGs in complementary experiments.

Keywords

References

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